Date: Sun, 06 Feb 2005 21:43:18 -0500 From: "Stephane E. Potvin" <sepotvin@videotron.ca> To: Nate Lawson <nate@root.org>, acpi@freebsd.org Subject: Re: HEADSUP: cpufreq import complete, acpi_throttling changed Message-ID: <4206D5C6.1060109@videotron.ca> In-Reply-To: <42068A5C.1030300@root.org> References: <42068A5C.1030300@root.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Nate Lawson wrote: | I've finished the major work of importing cpufreq. As part of this, the | sysctls for acpi throttling have been removed. The power_profile script | has been updated, so you can use performance/economy_cpu_freq= in | rc.conf to set AC on/offline cpu frequencies. The acpi throttling | support has been compiled into acpi_perf.ko so load that to get | throttling. Do a sysctl dev.cpu to get an understanding of the cpufreq | sysctls. | | If you have throttling, please test the new configuration to be sure it | still works as before. Final upcoming work will be manpage support and | bugfixing as necessary. | | I'd also like to issue a call for developers to help by porting older | drivers (like longrun) and out-of-tree new drivers (like powernow-k7/k8 | and speedstep-m) to the cpufreq interface. It's very simple and you | just have to figure out if your driver is absolute or relative, and | convert values to the proper units (percent in hundredths, power in mW, | etc.) Once that is done, please send me the diff for review before | commit so I can make sure it works properly. | I've lost cpu throttling with this commit on my Dell Inspiron XPS. The acpi_throttle driver doesn't probe correctly on the HT cpu which seems to cause some problems. ... acpi0: <DELL CPi R > on motherboard cpu0: <ACPI CPU (3 Cx states)> on acpi0 acpi_throttle0: <ACPI CPU Throttling> on cpu0 cpu1: <ACPI CPU (3 Cx states)> on acpi0 cpu1: acpi_throttle: add child failed ... If you need anything (acpi ASL dump, ...) I'll send them offline as they are quite large. Steph -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.0 (FreeBSD) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org iD8DBQFCBtXGmdOXtTCX/nsRAiJ/AKDQ5gVq+cyGxyZItZ/3grthjVWyTwCg+qi5 LsKBtAOEtbJak4qltk6X5PY= =7orK -----END PGP SIGNATURE-----
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